IDENTIFIERS

  • Current Taxon Name (Soil Name): Terrad
  • OSD
  • Series Extent
  • User Site ID: S1958MT045003
  • User Pedon ID: S1958MT045003
  • Vegetation Plot ID: S1958MT045003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3549
  • NCSS Pedon Lab Data NASIS Record ID - 39214
  • Print Date: 11/23/2024

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 47.2424126
  • Std. Longitude: -110.6211243
  • Datum: WGS84
  • Township: 17N
  • Range: 9E
  • Section: 7
  • PLSS Details: 600 feet west and 200 feet north of southeast corner
  • State: Montana
  • County: MT045—Judith Basin
  • MLRA: 46—Northern and Central Rocky Mountain Foothills
  • Non-MLRA Soil Survey Area: MT602—Judith Basin Area, Montana

    • PEDON

  • Describers Name: Dave R. Cawlfield
  • Current Taxonomic Class: Fine, mixed, frigid Typic Argiborolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Terrad
  • Classificaton Date - 7/23/2007
  • Sampled As Information:
  • Soil Name - Terrad
  • Classificaton Date - 6/24/1958
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/24/1958 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARFR4

    FEID

    KOMA

    PASM

    Artemisia frigida

    Festuca idahoensis

    Koeleria macrantha

    Pascopyrum smithii

    prairie sagewort

    Idaho fescue

    prairie Junegrass

    western wheatgrass

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    5

    —

    —

    1335

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 10 centimeters (0.0 to 3.9 inches); dark reddish brown (5YR 3/2), reddish gray (5YR 5/2), dry; silty clay loam; soft, friable, moderately sticky, moderately plastic; 21.0 roots; fragments; noneffervescent; clear boundary. Lab sample # 40A27378
    B21—10 to 23 centimeters (3.9 to 9.1 inches); dark reddish brown (5YR 3/3), dark reddish gray (5YR 4/2), dry; silty clay; strong fine subangular blocky structure; hard, firm, very sticky, very plastic; 21.0 roots; fragments; noneffervescent; clear boundary. Lab sample # 40A27379
    B22—23 to 41 centimeters (9.1 to 16.1 inches); dark reddish brown (5YR 3/2), dark reddish gray (5YR 4/2), dry; silty clay; moderate coarse prismatic, and strong medium angular blocky structure; very hard, very firm, very sticky, very plastic; 21.0 roots; 2-39-75 millimeter unspecified fragments and 250-425-600 millimeter unspecified fragments; noneffervescent; gradual boundary. Lab sample # 40A27380. few gravel and stone throughout profile.
    B23ca—41 to 58 centimeters (16.1 to 22.8 inches); dark reddish brown (5YR 3/3), weak red (2.5YR 4/2), dry; silty clay; strong coarse angular blocky structure; extremely hard, very firm, very sticky, very plastic; 0.5 roots; on horizontal faces of peds and 30 percent slickensides (pedogenic) on all faces of peds; fragments; slight effervescence; gradual boundary. Lab sample # 40A27381
    B31ca—58 to 91 centimeters (22.8 to 35.8 inches);, weak red (2.5YR 4/2), dry; silty clay; weak coarse angular blocky structure; extremely hard, firm, very sticky, very plastic; 0.5 roots; distinct clay films on all faces of peds and 30 percent slickensides (pedogenic) on all faces of peds; fragments; strong effervescence; gradual boundary. Lab sample # 40A27382. continuous - phpvsfiid 197071; continuous - phpvsfiid 197071
    B32—91 to 124 centimeters (35.8 to 48.8 inches); dark reddish brown (2.5YR 3/4), weak red (2.5YR 4/2), dry; silty clay; weak medium and coarse angular blocky structure; extremely hard, very firm, very sticky, very plastic; 0.5 roots; distinct clay films on all faces of peds; fragments; slight effervescence; clear wavy boundary. Lab sample # 40A27383. continuous - phpvsfiid 196987; continuous - phpvsfiid 196987
    C1—124 to 150 centimeters (48.8 to 59.1 inches); gray (10YR 5/1), weak red (10R 5/2) and gray (5Y 5/1), dry; clay loam; massive; hard, firm, moderately sticky, moderately plastic; 0.1 roots; fragments; slight effervescence. Lab sample # 40A27384. 5Y color is for shale with greenish gray appearance.